99427927 has 2 divisors, whose sum is σ = 99427928. Its totient is φ = 99427926.

The previous prime is 99427901. The next prime is 99427957. The reversal of 99427927 is 72972499.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99427927 - 2¹⁵ = 99395159 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99427957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49713963 + 49713964.

It is an arithmetic number, because the mean of its divisors is an integer number (49713964).

Almost surely, 2^99427927 is an apocalyptic number.

99427927 is a deficient number, since it is larger than the sum of its proper divisors (1).

99427927 is an equidigital number, since it uses as much as digits as its factorization.

99427927 is an evil number, because the sum of its binary digits is even.

The product of its digits is 571536, while the sum is 49.

The square root of 99427927 is about 9971.3553241272. The cubic root of 99427927 is about 463.2720809366.

The spelling of 99427927 in words is "ninety-nine million, four hundred twenty-seven thousand, nine hundred twenty-seven".